Rotary valve.



M, JAM-1R. ROTARY VALVE "APPLIOATIN FILED A'PR. 1,

Patented Sept, 9, i913.

TTDRNEYS M. JAEGER. ROTARY VALVE.

APPLIOATION FILED APB. 1, 1912,

Tatented sept'. 9, 1913.

s SHEETS-SERT z INVENTOH WITNESS/58 M70/MHS M. JAEGER. ROTARY VALVE. APPLICATION FILED APR. L, 1912.'

Patnged Sept. 9, 1913.

3 SHEETS-SHEET 3.

formed with a head comprising an inner .nrtrrnn sTAns rnrnn MAX JAEGER, 0F MOUNT VERNON, NEW YORK, ASSIGNGR TO JAEGER ROTARY VALVE MOTOR C0., OF MOUNT VERNON, NEW YORK, A CORPORATION 0F NEW YORK.

nement* VALVE.

Specification ofiLetters Patent.

Patented Sept. 9, 1 913.

To @ZZ 'whom it man concern:

Be n; known that I, MAX Janome, a subject of the German Emperor, and a resident. of Mount Vernon, in the county of Westchester and State of New-York, have invented a new and Improved Rotary Valve, of which the following is a full, clear, and exact description.

This invention relates to improvements in rotary valves. j

The. ohjeet in view is to providean i1nproved valve structure designed'to Continuously rotate during the operation of the enginel or other maehinery to which it conneeted7 and operate with the expenditure ot a minimum amount of power. V

Another object of the invention is the provision of an improved valve structure and an outer water-cooled member Vith a rotating valve sleeve structure interposed, the valve sleeve st ructure controlling the admission and the exhaustion of gases to and from the` cylinder o`1'- cylinders through the inner member.

A still fur 'her object ot' the invention is to provide an impyehted valve structure. for explosive enginesg-tmi which the controlling n'ieinber is a sleeve having ports arranged` therein, the sleeve being adapted to rotate. about a stationary easingrformed with intake and exhaust passageways having intake. an/l exhaust openings fat-ing' toward the rylinders ot the engine and adapted to be in comniunieation therewith when the re-4 spertive ports of the rotating sleeve are moved to register therewith.

A. further objeet ot the invention is the provision ot" :in improved lsilnplitied rotary valve havingn niiniinlun number ot parts, and a single rotating iii-einher ronneeted in an)r suitable manner to the driving shaft of the engine. the rotar)7 nieinber being preferably held in plaee h v anti'lrietion members and proteeted by a tihn of oil interiorly and exteriorly, whereby a substantially noiseless valve will result.

In earrying out. the objet-ts ot' the invention, the valve may loe eonneeted with one or more cylinders as desired. The valve structure is connected direetl)Y with the heads of the respeetive cylinders of the engine with which it may be associated, so that the gases may be directly forced into the rylinders and forced therefrom, therein7 securing a maxlmum efficiency. The valve comprises a head having an outer casing and an inner easing secured together and to the cylinder or cylinders of an engine in such a mahner that the water-cooling jacketof the engine is in communieation with waterways in the head, whereby `.vaterentering the lowern'lost part of the water jacket of the engine will pass out the highest point of the head. Arranged between the inner and the outer easing of the head is a rotating valve sleeve .formed with ports therein, the number of ports heilig regulated, of course, b v the number of eylinders eomposingthe. engine. This sleeve is cmineeted to the driving shaft of the engine in any desired manner so as to move at the desired ratio for causing a proper intake and exhaust: of the gases, the ports in the valve sleeve regulating the flow of gases and the exhaust through the inner casing of the head, the inner easing of the head being provided with suitable passage ways and'ports for registering with the ports of the sleeve atv proper times.

A practical emhodinient of the invention is represented in the accompanying drawings forming a art of this specification, in which similar cliaraeters of referenee ipdi- Cate corresponding parts in all the view's.

Figure l is a longitudinal vertieal section through a valve embodying the inveniion, the same lieing shown applied to an engine; Fig. 2 is a sertion through Fig. 1 on the line 2 2, the same. being shown on a slightly enlarged scale: Fig. 3 is a section thronglnlfig. l on the line Y'. Si; Fig. 4 is a section through Fig. i on the line imei; Fig. 5 is a section through Fig. l on the line 5 5; Fig. 6 `is a section through Fig. l on the line 6-Gg Fig. 7 is a set-tion through Fig. 'l on' the line 7-7; Fig. S is a section through Fig. 1 on the line 8-#8; Fig. 9 is a seetion through. Fig. l on the line 9 9; l-"ig, 1'0 is a section through Fig. l. on the line 10W-N; Fig. 11 is a longitudinal horizontal seetion through an i inner easing forming certain features of the invention. the same being taken substantially on the line ll--ll oit Fig. l; Fig. 1'2 is an enlarged fragmentary View showing the operating gear mechanism and part of the inner and outer easing, the same being n seetion on the-line lil-42' ot Fig. 1 Fig. 13 is a fragmentary perspective View of one 'end .fis

the head showing an extension orreceiving a locking device for preventing the shifting of certain movingparts when the valve is ltiglitjoint, a gasket 4 is dismantled; Fig. 14 is a fragmentary view on the line 14-14 of F ig. 1, showing the outlet water pipe leading Yfrom the inner casing, the same being shown on an -enlarged scale; and' Fig. 15 is a side view of the rotating valvevsleeve.

In constructing an embodiment of the invention, an engine 1 of any desired kind may be used, preferably of the four-cycle type havin one or more cylinders. In the drawings our` cylinders have beeu'shown for the purpose of illustration gthough it will be'evident that a greaterior'less number could be used. Arranged in the main casting of the engine as a preferable structure, are a plurality oi removable cylinders 5, 6, 7 and 8-.1' These cylinders or sleeves are preferably provided with a high or smoothlished surface on the interior so thatthe eposit of carbon will be minimized and consequently the high` eiiciency of the engine maintained. The sleeves, are also preferably slidably fitted into the main casting of the engine.v In order to provide a perfectly provided at the lower end of the sleeves. This gasket may be constructed 'of a soft metal, as 'lead or Babbitt metal, or if desired may be constructed of fiberr asbestos, or other suitable material. The cylinders 5, 6, 7, and 8 are adapted to accommodate pistons 9, 10, 11, and 12, respectively, these respective pistons being set in the usual Way, the controiling inlet and outlet ports being correspondingly arranged so as to cause a proper action of the various parts. These cylinders are sur-` rounded by a water jacket 13 opening into passageways 14 which register with the water- ]'acket space 15 of the head 16. A suitable spark plug 17 of any desired construction is provided at any desired poi'nt in the lower part ofthe head 16 for each of the cylinders so as to he above the extreme up- 'ward movement of the respect-ive pistons, and near the intake opening so as to be surrounded by a new explosive mixture.

The head 16 is secured to the upper end of the main casting in any desired manner,

'as for instance, by bolts7 and acts as the housing for the rotary valve which'co-acts with the cylinders,.pistons, and other parts, for making a complete operative structure having a minimum amount of friction and a minimum waste of power'. The head 16 is formed with an outer' casing 18 and an vinner casing 19, having positioned therebetween a rotary valve sleeve 20. The outer casing 18 is provided with a water receiving space or chamber 15 and isborcd out to accommodate the .sleeve 20. The walls of the respective cylmdcrs of the engine merge, in a certain sense, into the walls. of the comb'us' tion chambers 2 which are the lower parte of the outer casing, and by reason of this fact the inner wall ot' the outer casin is 'open from points 21 to points 22. his permits a free communication between the respective cylinders and the various passageways' hereinafter fully described, in themner casing whenever the respective ports 23 of the rotating valve sleeve 20 are positioned in registry with the opening between the points 21 and 22.

It will be noted that the outer casing, in'

ner casing, and bearings are a single unit forming a. single stationary head .inslde of which a single sleeve is located designed torotate as the engine or other machinery to which it is connected is operated.v The head is made of a lurality of parts only for the convenience ofworking and getting the rotating sleeve in and-out.

The inner casing 19 (Figs. 1 and 11) is provided `with a plurality of intake ports 24, 25, 26, and 27 and a plurality of outlet ports 28,219,30, and 31, thus providing an 'inlet port and an outlet port in the inner casing for each of the four cylinders. It the valve l were used on an engine having only two cylinders, it will 'be evident. that only half the number of ports described would be used'. An exhaust passageway 32 is provided in the inner casing' 19 which extends for substantially the full ieiirgth of the inner casing and is in continuous free communication with the exhaust ports in the inner casin and with the discharge opening 33 arrange in the end 34. The inlet ports are continually in free communication with passage ,way 35, so as to distribute more evenly the gases to the respective cylinders from passageway 36 which at the 'end 38 merges mto anintake opening 39. The en d 38 may be connected to a suitable supply of Aexplosive mixture in any desired manner so that a continuous supply of lexplosive mixture is provided for the respective cylinders. The discharge opening 33 at'the opposite end of the inner casing 19 is connected to any suitable pipe or other' means for directing the exhaust to a point of discharge, as for instance to a muffler. It. will beev'ident that if `it is desired the discharge opening 33 could be left unconnected with any pipe so that the exhaust would' be discharged di.- reclly into the atmosphere. From Fig. 11 it will be observed that between the passageway 32 and the passageway 35 and adjacent passageway 36 are arrangedpassageways or chambers 40, 4l and 42, these chambers being designed to be supplied' with a cooling fluid, as for instance Water, received-from the chamber 15 through' apipe 43 and an intake passageway 44. After circulating through the chambers 40, 41, and 42,.the Water passes out through a pipe 45 into the upper part of the chamber 15 and from novias/.i9

thence ont through a dischargefopening 46. the water orother cooling' Huid beine' originally inserted into the cooling' jacket through a: pipo l-7 near the lower end of the main casting. In this way all the parts are maintained properly cooled so that the same may operate as designed1 the water or other cooling fluid entering at the Vlowermostpoint and escapingl at-the highermost point, 'wher-aby the natural circulation of the water is maintained. In order to positively cause a flowing of the cooling fluid, a pump of any desired kind may beI connected with the ypipe 47.

l'n order to assist in the-natural action of the flow ,of ythe cooling' fluid, the thickness of the Valls of the inner casing is varied so that the loWerInoSt point in thewater chamber in the inner casing will be at a point farthest from the point at which the water enters. This will cause the entering cool fluid to gravitate by its weight so to move longitudinally of the casingr to the end opposite the entering end' and then, as the same is'heatcd, to rise and gradually' piss back to the entering end but to the upper part thereof where the ydischarge opening is located. Also it will be noted that the highestI point in the water chamber of the inner casing opens into the discharge pipe which directs the water to the upper part et' the water chamber l5. With this arrangement the water or other cooling iuid will circulate to the farther end of the inner casing and thereby effectively' Cool all parts of the casing'.

The rotatingvalve Sleeve Q'O is formed witba port i3 for each of the intake ports and each of the exhaust ports, these ports i'lbeing setat any desired angle. as shown for instance in f l to i() inclusive, 'for causing the proper intake and exhaust of the gases. It will, of course, be. evident that the sleeve .20 is `geared or otherwise connected with the driving' shaft of the en- -gine so as -to act in proper tiined relationship for causing' the proper opening` and closing; of the intake and exhaust ports. ltV will be observed that the inner casingv l!) is held stationary and that the ports arranged therein vtace toward the respective cylinders of the engine so that wheneverthe ports 23 are in registry therewith the respective cylinders will be imfrec communication with either tbe intalae or exhaust ports of the inne" casing. ltigigllysecured to one end of. the sleeve Q0 (Fig. l), is a gear wheel 48 meshing` with a Igear wheel -l-S) (liie'. 12). 'l'hcse grearwheels are arranrml within the end easing' 50 which is removably secured to the outer casing: 18. vTn order to provide t: proper journal for the gear wheel 4l), te casing 50 is extent edv ont at 5i, whereby the rear wheel-49 is caused to properly nies-h with thewgearwheel 48 and the operating shaft 52 to extend' in'any 'desireddireetiom as for instance toward the drivingshaft of the engine to which it is Connected by gears er in any other desired manner. It will be cvi'lent that the sleeve Q0 could be connected with the driving shaft of the engine by sprocket wheels and a chain, or by other means. whereby the sleeve 2O will operate in the proper ratio to the action of the respective pistons. In order to properly support the rotating sleeve 90 within the space between the inner and outer casings, antifrietion members 53 and 54 are provided for supportiner the sleeve. whereby there will be no friction between the sleeveand the inner and outer casings. [n order to maintain proper lubrication and to provide for a tight valve structure continually, an oil film is provided between the inner casing; and the sleeve and between the outer casing and the Sleeve. The oil cups 55 connected' to the 'outer casing-have passageways 56 which eX- tend into a longitudinal groove 57 intthe outer easing' whereby oil is freely distributed to the Surface of the sleeve Q0. Duringrthe rotation of the sleeve 2O part of the oil passes through At-he ports 23 and enters the longitudinal groove 58 which causesv a proper distribution of the oil over the interior of the sleeve and the exterior of' the inner casingr thus providing an inner and outer film of oil for the sleeve so that substantially all of the friction isl between the two oil films and between the antifriction members 53 and and the sleeve. An antifriction device-5f) is also provided Vfor taking care of the end thrusts of the rotating Sleeve. This antifriction device is formed in the usual manner of bearing' rings and balls arranged therebetwetni eml'iodying' -tbe same principle as the anti-friction members 52% and 54 except that it takes up the end thrusts. A similar end thrust bearing may be provided at the opposite end of the rotating' valve sleeve.

lueonstructing the head li for the purpose of assembling and dismantling' the device, it is found necessary to form the outer casing with end head numbersv 50 and 50. these members being held in place by snitable screws or bolts. After vthe device has been first assembled the end head 50 and also the end head 50 is removed when it is desired to take out the sleeve and the inner casing'. ln order to provide a proper ree'- interino, device. so that the parts may be assembled' correctly, a single bolt or screw 50', larger than the remaining bolts, is provided so that the head 50 may be removed and replaced correctly. The gear wheel -tS is provided with a notch or depression GO designed to accommodate a pin (il slidingly mounted in the head member 50. The pin (3l is provided with a shoulder G2 in engagement with a spring 63 normally under tenrio sion operating in a bore 64, whereby the pin 61 is being continually urged inwardso as to be'projocted into the notch 60 when turned for locking. A pin 65 is Afitted in the pin '61 and normally rests in aslight groove 66 in the extension 67 for holding the pin 61 in its withdrawn position, as shown inFig.` 1, whereby the gear wheel 48 and associated parts may freely rotate.

hcad member o() so that when the pin 61 i tion so as to is engaging the notch 60, the head member may be removed, together with the sLIeeve and inner casing, without disturbing the adjustment of the various parts. After the device has been taken apart and the sleeve and other parts removed, and it is again desired to assemble the various parts, the

bolt 59 will perinit the proper positioning of the head member 50 on the outer casing and the pin 6l will permit the proper positioning of the sleeve Q0 in regard to the inner casing without the necessity of accurate measurements and other calculations for causing the ports to properly register. It will also be observed that the enlarged bolt or screw 59 will cause the head 50 to be positioned correctly when re-assembled -so that the respective intake ports and exhaust ports of the inner casing will be correctly positioned. When re-assembling the motor the crank shaft is turned until the twoy inner pistons are in their lowermost position and the two outer istons in their highest posie correctly timed when the sleeve and associated parts are replaced. It will also be observed that the key 69 positively locks the inner casing stationary so that the only moving part of the valve ar ranged opposite the cylinders is the sleeve which continually rotates as long as the engine is in operation. Suitable locking nuts 70 and 71 may be provided on the ends 34 and 88 for positively locking the inner casing against longitudinal movement.

'In forming adevicc according to the pres- A ent' invention it will 'be noted that a minimum number oli moving parts are provided and vin fact only one principal moving part is provided, namely, the sleeve 20. Of course the necessary connecting parts are i provided for causing the proper rotation of this sleeve. The remaining parts of the valve are held stationary and are throughly water-cooled. Also it will be noted that by the construction of the rotating valve crepes sleeve, as set forth, frictionis reduced to e minimum and thus the life of the valve is `greatly'lengthened as Well as the reduction of the power necessary to operate the valve.

claim as new anddesire to secure by -Letters Patent 1. In a rotary valve for explosive engines, an outer casing, a stationary innerrcax arran ed in the: outer easing and sp there rom, said inner casing being provided with an inlet assageway exten ing ,for a part of the fulllength thereof vand merging the c x lovsive mixture, an outlet passageway exten ing for substantially the full lengt of the inner easing, a port from each of said passagewaysfor each `eyliiuder of said encooling chamber, and a rotary valve sleeve arranged in the space between said stationary inner casing and said outer casing, said sleeve being formed with orts register ng at predetermined times wlth the ports in `the inner easing for causing a proper intake and exhaust from said cylinders.

2. In a rotary valve for explosive engines, an outer casingformed with a water jacket in communication with the water jacket in said engine, a stationary inner caslng adjacent said outer casing and spaced therea water-coolingchamber, means for: conu necting the bottom art of said water-cooling chamber with tie water jacket of said outer casing, means for connecting the upper part of said water-cooling chamber with `may circulate in a general upward direction through the water jacket of said outer casing and through the water cooling chamber of said inner easing, and a' rotary `valve structure arranged in the space between said outer easing and said inner casing.

8. l'n a rotary valve for explosive engines, an outer casing formed with a longitudi-v nal oil groove, means forsupplying said oil Igroove with oil, a rotating sleeve arranged in said outer casing -adjacent said loil outer surface of said sleeve, said sleeve being formed with aplurality of ports, an inner casing surrounded by `said sleeve ports ofsaid sleeve, said inner casing being formed with a longitudinal oil groove designed to receive oil through said orts from said first mentioned oil groove, w ere# by said sleeve is protected by an inner and said sleeve;

an outer casing, an inner casing formed with Having thus described my invention I..

formed with a,plnrality of ports adapted toA register' at predetermined times with the y 4. .Ina rotary valve for esplosive engines,

into branches for more easily distribi'ltingl gine, and a substantially centrally arranged l from, said inner casing being formed with the upper part of said water jacket ofesaidf outer casing, whereby the cooling walter groove whereby oil is distributed to the les outer film of oil, and means for lrotating-l Vso casing, a. reino'able head associated with ing saidhead to said inner casinfr, and

intake and exhaust ports and with lintake and exhaust passageways, a rotaryv Valve sleeve positioned between said casings formed with ports arranged to at predetermined times register with the ports in said inner said outer casing, means for rigidly secaran identifying member for connecting said head with said outer casing whereby the head may be always positioned in the same place upon each removal and replacing.

ln a rot-ary valve for explosive engines, an outer casing, a stationary inner casing, a rotary valve sleeveA arranged between said basings, means for rotating said valve sleeve, a removable head associa-ted with said outer casing, means for rigidly securing said head to said inner casing, selective registering means for connecting said head and said outer casing whereby the head is valways positioned correctly, and a. locking structure adapted to at times engage the means for rotating said sleeve for locking the same to said head, whereby the sleeve, the head, and the inner casing are rigidly connected together, said locking means comprising a reciprocating pin adapted to engage the depression in said means for rotating said sleeve, a spring for normally tending to move said pin toward said depression, and a stop connected with said pin for normally preventing movement of said pin, said head. being formed with a slot for accommodating said stop when it is desired that the pin shall engage said depression.

6. In arotary valve for explosive engines, a stationary outer casing, a stationary inner casing, a rotary slee e arranged between said inner and outer casings, means for rotating said sleeve, a removable head secured to each end of said outer casing, and a plurality of means for lockingr one of said heads rigidly tosaid inner casing and said rotary sleeve whereby said last mentioned head, the rotary sleeve, and said inner casing may be removed and replaced without dislocating any of tlieparts.

7. In a rotary valve for explosive engines, a stationary outer casing, a stationary inner yasing positioned in said outer casing, but adapted tol be removed therefrom, a remow able head for each end of said outer casing, engaging the end of said inner casing for supporting the same, said inner casing being spaced from said outer casing, a rot-ating sleeve arranged in the space between the outer casing and the inner casing, means -for rotating said sleeve. means tor connecting one of said heads rigidly with said inner casing.l an identifying locking member tor connecting at will said rotating sleeve with said last mentioned head, and van identifying i member arranged to engage said stationary outercasing and said last mentioned head i for causing the same to be properly positioned at each disassembliug and re-assembling. y

8. In a device of the character described, thecombination with an explosion engine, of a rotary valve for said engine, said rotary valve being formed with a stationary outer casing, a lrotary valve member arranged in said stationary outer casing formed with a plurality of ports, and a stationa'ry inner casing formed with a plurality of ports designed to register with' the ports in said rotary valve member at predetermined times, said inner casing being also formed l'ith a water passageway there through for receiving a cooling fluid, said water passageway being positioned atan ineline whereby the cooling fluid may enter at the lowermost point and pass out at the uppermost point.

9. In a device of the character described, the combination with an explosion engine formed with a plurality of cylinders, otia rotary valve structure connected to the ends of all of said cylinders, said rotary valve struc ture comprising a stationary outer casing, a statioiiar inner casing spaced from said outer casing, said stationary inner casing being formed with a plurality of inlet passageways merging into inlet ports, and a plurality of outlet passageways merging into outlet ports, and acooling fluid receiving chamber extending in a general upwardly inclined direction in respect to the periphery of the inner casing, and a rotating valve sleeve formedpwith a plurality of ports positioned between said inner casing and said outer casing, the ports in said sleeve registering atpredetermined times with the ports in said inner casing vwhereby the inlet and exhaust of the cylinders of said engine will be controlled.

10. In a rotary valve for explosion enf gines. an outer casing a stationary inner casing formed with a plurality of ports and passageways communicating therewith, a water cooling chamber substantially surrounding the/passageways merging into said ports, 'means for directing water into said chamber at its lowcriuost point, means for leading water from the uppermost point of said chamber whereby a correct circulation of cooling fluid is provided in said chamber, a rotating sleeve arranged between said inner casing and said outer casing, said rotatingr sleeve being formed with ports adapted to register at predetermined times with the ports of said inner casing, and antifriction members for supporting said sleeve l said passngewayvs, and a rotary sleeve aring and said outer freeing, said sleeve being from, said inner easing being provided with l formeil with ports adapted lo register atdif- :in inlet passageway formed with a plurality ferent bimes with the ports in smd inner cas' of discligirgebranclies for more evenly dilsing for causing the proper lntake and extributing the explosive mixture, an outlet haustfrom and to said cylinders. l passageway extending for substantially the In testimony whereof Illave signed my full length of said inner casing, a port from y name to this specification in the presence of each of said pnssagewuys 'for euch of the cyl` l two 'subscribing witnesses. inders of said engine, and an inclined cool- 1 MAX JAEGER ing chamber substantially surrounding all of Witnesses:

A. L. KITCHIN,

ranged in the spa'e between said inner cas- PHzLinD. RoLLHAUs. 

